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Counter-Strike: Source vs Left 4 Dead 2
Live Steam player count comparison, updated every 10 minutes. Both are Action games.
Left 4 Dead 2 is currently the more played game: 21,359 concurrent players on Steam right now vs 3,448 for Counter-Strike: Source, about 6× more players. Left 4 Dead 2 has been ahead for 76 days straight, and has led on 76 days of the 78 days Coilr has tracked both games. Left 4 Dead 2 also has the better Steam reviews: 98% positive vs 96%. Across all tracked metrics, Left 4 Dead 2 leads 10 of 10.
These are Steam players only. A game that also runs on its own launcher, a storefront of its own or on console has players this number cannot see, so read it as a comparison of Steam audiences rather than of total ones.
Which one have you played more?
Coilr members average 15.2h in Counter-Strike: Source and 207h in Left 4 Dead 2. Connect your Steam account and this row fills in with your own hours instead — then keeps tracking both, so you can see which one you are actually still playing.
Counter-Strike: Source
15.2h
average of 34 members
Left 4 Dead 2
207h
average of 104 members
See my hours in both
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Player count history
Counter-Strike: SourceLeft 4 Dead 2
Tracked by Coilr since April 2026 · Steam polled every 10 minutes · methodology
Head-to-head record
Left 4 Dead 2 has had the higher daily player count for the last 76 days. Counter-Strike: Source last led on Jun 9, 2026.
Counter-Strike: Source led 2 daysLeft 4 Dead 2 led 76 days
Days tracked
78
Current streak
76 days
Left 4 Dead 2
Lead changes
1
Closest gap
5%
Jun 12, 2026
How this works: each game's daily average concurrent players (from Coilr's 10-minute Steam polls), compared on the 78 days where both games have data. Whichever averages higher leads that day. methodology
| Metric | Counter-Strike: Source | Left 4 Dead 2 |
|---|---|---|
| Players right now | 3,448 | 21,359 |
| 24-hour peak | 3,798 | 35,378 |
| 7-day average | 2,357 | 25,172 |
| 30-day average | 2,354 | 26,522 |
| 30-day trend | −71% | −7% |
| Peak (tracked) | 37,913 | 45,305 |
| Steam reviews | 96% positive | 98% positive |
| Recent reviews (3 mo) | 95% positive | 97% positive |
| Total reviews | 192,835 | 1,054,256 |
| Owners (SteamSpy est.) | ~10,000,000 | ~50,000,000 |
| Release date | Nov 1, 2004 | Nov 16, 2009 |
| Price | $9.99 | $9.99 |
Full stats: Counter-Strike: Source · Left 4 Dead 2 · add more games to this comparison →
Players by month
| Month | Counter-Strike: Source | Left 4 Dead 2 | ||
|---|---|---|---|---|
| Avg | Peak | Avg | Peak | |
| Apr 2026 | — | — | 27,856 | 35,260 |
| May 2026 | 31,766 | 32,622 | 29,374 | 41,078 |
| Jun 2026 | 17,020 | 37,913 | 24,185 | 43,172 |
| Jul 2026 | 5,777 | 27,486 | 28,128 | 45,305 |
| Aug 2026 (so far) | 2,355 | 4,146 | 26,250 | 41,038 |
Monthly average and peak concurrent players on Steam, from Coilr's own tracking (10-minute polls, hourly beyond 30 days).
Frequently asked
Which has more players, Counter-Strike: Source or Left 4 Dead 2?
Left 4 Dead 2 currently has more players: 21,359 concurrent players on Steam vs 3,448 for Counter-Strike: Source, about 6× more players.
Is Counter-Strike: Source bigger than Left 4 Dead 2 on Steam?
Over the last 30 days Counter-Strike: Source averaged 2,354 concurrent players and Left 4 Dead 2 averaged 26,522. By that measure Left 4 Dead 2 is currently the bigger game.
Has Counter-Strike: Source ever had more players than Left 4 Dead 2?
Yes. Across the 78 days Coilr has tracked both games, Counter-Strike: Source had the higher daily average on 2 days, most recently on Jun 9, 2026. Left 4 Dead 2 has led for the last 76 days.
Is Counter-Strike: Source better than Left 4 Dead 2?
By Steam review score, Left 4 Dead 2 rates higher: 98% positive across 1,054,256 reviews vs 96% across 192,835 for Counter-Strike: Source. Left 4 Dead 2 has the larger player base right now (21,359 vs 3,448 concurrent). Player counts, ratings, price and trend are compared side by side above.
Is Counter-Strike: Source growing or declining on Steam?
Counter-Strike: Source averaged 2,354 concurrent players over the last 30 days, down 71% vs the previous 30 days. Its highest tracked player count is 37,913.
Is Left 4 Dead 2 growing or declining on Steam?
Left 4 Dead 2 averaged 26,522 concurrent players over the last 30 days, down 7% vs the previous 30 days. Its highest tracked player count is 45,305.